Switches, Post, Leds & Power; On/Off And Reset; Post & Module Type Display - ADLINK Technology Express-BASE User Manual

8 Switches, POST, LEDs & Power

8.1 On/Off and RESET

8.2 POST & Module Type Display
COM Express type:
1-2, 3, 4, 5 or wrong pinout
Express-BASE User's Manual
The top left corner of the board contains two
mini switches.
The SW3 switch is the ATX power button.
This switch can be used to power up and
power down the system with an ATX power
supply.
The SW1 switch is the RESET button.
An LPC based POST display is added for
debugging.
The top two LEDs shows the actual
POST data and a bottom row of four LEDs
shows the address
The POST circuitry allows you to execute the
BIOS step-by-step.
JP1 short 2-3 results in single step BIOS
execution. A single step can be executed by
pressing the SW2 mini switch
To the left of the POST display a column of 5
mini LEDs indicate what type of COM Ex-
press module is installed on Express-BASE.
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